Problems Using TAPI 2.1

 Last reviewed: January 22, 1998
Article ID: Q179187
The information in this article applies to:
  • Microsoft Windows NT Workstation version 4.0
  • Microsoft Windows NT Server version 4.0
  • Microsoft Windows NT Server Enterprise Edition version 4.0

SYMPTOMS

You may experience one or more of the following problems while using TAPI 2.1:

  • The data an application provides for lineSetCallData is lost when Remote TSP is used.
  • TAPISRV becomes unresponsive and CPU utilization peaks at 100%.
  • TAPISRV cannot be started when RAS or another Windows NT Service starts TAPI.
  • TAPISRV causes an Access Violation error message when calling Agent functions such as lineAgentSpecific and lineGetAgentActivityList.

RESOLUTION

To resolve this problem, obtain the following fix or wait for the next Windows NT service pack.

This fix should have the following time stamp: 

   01/05/98  06:09p               140,560 Tapisrv.exe (Intel)
   01/05/98  06:52p               220,944 Tapisrv.exe (Alpha)
NOTE: This hotfix requires TAPI 2.1. Applying this hotfix with a previous version of TAPI may cause unpredictable behavior.

This hotfix has been posted to the following Internet location: 

   ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40/
   hotfixes-postSP3/tapi21-fix/
NOTE: The above link is one path; it has been wrapped for readability.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.0. A supported fix is now available, but has not been fully regression-tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Technical Support for more information.

MORE INFORMATION

Windows NT 4.0 Service Pack 3 includes TAPI 2.0.

Additional query words: 4.00
Keywords : kbbug4.00 kbfix4.00 NTSrvWkst
Version : WinNT:4.0
Platform : winnt
Issue type : kbbug
Solution Type : kbpatch

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Last reviewed: January 22, 1998
© 1998 Microsoft Corporation. All rights reserved. Terms of Use.